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#include "Utils.h"
#include "Cache.h"
#include <variant.hpp>
using TimelineEvent = mtx::events::collections::TimelineEvents;
QString
utils::descriptiveTime(const QDateTime &then)
{
const auto now = QDateTime::currentDateTime();
const auto days = then.daysTo(now);
if (days == 0)
return then.toString("HH:mm");
else if (days < 2)
return QString("Yesterday");
else if (days < 365)
return then.toString("dd/MM");
return then.toString("dd/MM/yy");
}
DescInfo
utils::getMessageDescription(const TimelineEvent &event,
const QString &localUser,
const QString &room_id)
{
using Audio = mtx::events::RoomEvent<mtx::events::msg::Audio>;
using Emote = mtx::events::RoomEvent<mtx::events::msg::Emote>;
using File = mtx::events::RoomEvent<mtx::events::msg::File>;
using Image = mtx::events::RoomEvent<mtx::events::msg::Image>;
using Notice = mtx::events::RoomEvent<mtx::events::msg::Notice>;
using Text = mtx::events::RoomEvent<mtx::events::msg::Text>;
using Video = mtx::events::RoomEvent<mtx::events::msg::Video>;
if (mpark::holds_alternative<Audio>(event)) {
const auto msg = mpark::get<Audio>(event);
QString sender = QString::fromStdString(msg.sender);
const auto username = Cache::displayName(room_id, sender);
const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
return DescInfo{sender == localUser ? "You" : username,
sender,
" sent an audio clip",
utils::descriptiveTime(ts),
ts};
} else if (mpark::holds_alternative<Emote>(event)) {
auto msg = mpark::get<Emote>(event);
QString sender = QString::fromStdString(msg.sender);
const auto username = Cache::displayName(room_id, sender);
const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
const auto body = QString::fromStdString(msg.content.body).trimmed();
return DescInfo{"",
sender,
QString("* %1 %2").arg(username).arg(body),
utils::descriptiveTime(ts),
ts};
} else if (mpark::holds_alternative<File>(event)) {
const auto msg = mpark::get<File>(event);
QString sender = QString::fromStdString(msg.sender);
const auto username = Cache::displayName(room_id, sender);
const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
return DescInfo{sender == localUser ? "You" : username,
sender,
" sent a file",
utils::descriptiveTime(ts),
ts};
} else if (mpark::holds_alternative<Image>(event)) {
const auto msg = mpark::get<Image>(event);
QString sender = QString::fromStdString(msg.sender);
const auto username = Cache::displayName(room_id, sender);
const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
return DescInfo{sender == localUser ? "You" : username,
sender,
" sent an image",
utils::descriptiveTime(ts),
ts};
} else if (mpark::holds_alternative<Notice>(event)) {
const auto msg = mpark::get<Notice>(event);
QString sender = QString::fromStdString(msg.sender);
const auto username = Cache::displayName(room_id, sender);
const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
return DescInfo{
username, sender, " sent a notification", utils::descriptiveTime(ts), ts};
} else if (mpark::holds_alternative<Text>(event)) {
const auto msg = mpark::get<Text>(event);
QString sender = QString::fromStdString(msg.sender);
const auto username = Cache::displayName(room_id, sender);
const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
const auto body = QString::fromStdString(msg.content.body).trimmed();
return DescInfo{sender == localUser ? "You" : username,
sender,
QString(": %1").arg(body),
utils::descriptiveTime(ts),
ts};
} else if (mpark::holds_alternative<Video>(event)) {
const auto msg = mpark::get<Video>(event);
QString sender = QString::fromStdString(msg.sender);
const auto username = Cache::displayName(room_id, sender);
const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
return DescInfo{sender == localUser ? "You" : username,
sender,
" sent a video clip",
utils::descriptiveTime(ts),
ts};
} else if (mpark::holds_alternative<mtx::events::Sticker>(event)) {
const auto msg = mpark::get<mtx::events::Sticker>(event);
QString sender = QString::fromStdString(msg.sender);
const auto username = Cache::displayName(room_id, sender);
const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
return DescInfo{sender == localUser ? "You" : username,
sender,
" sent a sticker",
utils::descriptiveTime(ts),
ts};
}
return DescInfo{};
}
QString
utils::firstChar(const QString &input)
{
if (input.isEmpty())
return input;
for (auto const &c : input.toUcs4()) {
if (QString::fromUcs4(&c, 1) != QString("#"))
return QString::fromUcs4(&c, 1).toUpper();
}
return QString::fromUcs4(&input.toUcs4().at(0), 1).toUpper();
}
QString
utils::humanReadableFileSize(uint64_t bytes)
{
constexpr static const char *units[] = {"B", "KiB", "MiB", "GiB", "TiB"};
constexpr static const int length = sizeof(units) / sizeof(units[0]);
int u = 0;
double size = static_cast<double>(bytes);
while (size >= 1024.0 && u < length) {
++u;
size /= 1024.0;
}
return QString::number(size, 'g', 4) + ' ' + units[u];
}
int
utils::levenshtein_distance(const std::string &s1, const std::string &s2)
{
const int nlen = s1.size();
const int hlen = s2.size();
if (hlen == 0)
return -1;
if (nlen == 1)
return s2.find(s1);
std::vector<int> row1(hlen + 1, 0);
for (int i = 0; i < nlen; ++i) {
std::vector<int> row2(1, i + 1);
for (int j = 0; j < hlen; ++j) {
const int cost = s1[i] != s2[j];
row2.push_back(
std::min(row1[j + 1] + 1, std::min(row2[j] + 1, row1[j] + cost)));
}
row1.swap(row2);
}
return *std::min_element(row1.begin(), row1.end());
}
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